CHANGELOG.md in wildcard_matchers-0.3.0 vs CHANGELOG.md in wildcard_matchers-0.3.1

@@ -1,4 +1,9 @@
+## 0.3.1
+
+* IMPROVEMENT
+ * improve error message when hash keys mismatch
+
 ## 0.3.0
 * ENHANCEMENT
 * allow method object
 
 ## 0.2.1